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Heat Controller VMH09SC-1 Expansion Valve
Almost all AC systems have an expansion valve that allows the coolant to spread back into vapor form from a high pressure liquid state. The AC in an HVAC system can not run if the valve was missing.
Symptoms of a defective Heat Controller expansion valve
- Your AC unit takes forever to cool your home
- The cool flow of air is not as cool as it used to be blowing through the ductwork
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Before buying or purchasing, do your due diligence and double check the correct model as well as make a visual inspection in order to be sure the correct expansion valve is the one being purchased. There is no rule that says you have to replace the part all by yourself. Hire someone with experience in your area to pay to install it for you.
Feel free to download your manual for help.
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